How to help NASA observe the clouds

SAN FRANCISCO (KGO) -- Calling all cloud gazers -- NASA needs your help. Until April 15, you can participate in the Citizen Science Cloud Observation Challenge.

Anyone can upload up to 10 photos per day.

NASA wants all types of clouds. All of the photos will be used to help validate data from its Earth-observing satellites.

The people who send in the most photos will be congratulated by a NASA scientist.

Click here for more information on the challenge, and how to participate.
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